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Priority to JP1976106290UpriorityCriticalpatent/JPS5726480Y2/ja
Priority to US05/792,788prioritypatent/US4149036A/en
Priority to DE2722574Aprioritypatent/DE2722574C2/de
Publication of JPS5324601UpublicationCriticalpatent/JPS5324601U/ja
Application grantedgrantedCritical
Publication of JPS5726480Y2publicationCriticalpatent/JPS5726480Y2/ja